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ESIE09-08
3.10 "CJ " Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller
CJ
Remote Control
Display
Subcode 0
Applicable
AII indoor unit models
Models
Method of
Malfunction detection is carried out by temperature detected by remote control air temperature
thermistor.
Malfunction
Detection
Malfunction
When the remote control air temperature thermistor becomes disconnected or shorted while the
Decision
unit is running.
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Defect of remote control thermistor
Defect of remote control PC board
Defect of indoor PC board (A1P)
Be sure to turn off power switch before connecting or disconnecting connector,
Caution
otherwise parts may be damaged.
Turn power supply OFF, then
power ON again.
Is "CJ " displayed
on the remote control?
YES
Normal operation.
Replace indoor unit
PC Board (A1P).
Troubleshooting by Indication on the Remote Controller
NO
NO
External factor other than
equipment malfunction
(for example noise, etc.)
Replace remote control.
Turn power supply OFF, then
power ON again.
Is "CJ" displayed
on the new remote
control?
YES
(V2787)
141
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Troubleshooting
